Winding mechanism and speed control therefor



Oct. 9, 1934.

R. J. POWERS ET AL WI-NDING MECHANISM AND SPEED CONTROL THEREFOR FiledJune 6, 1933 3 Sheets-Sheet l 'fine l l l /P/ehard cf Pall/'sams-l/Y'ar/ B avm eff Oct 9, 1934- R. J. POWERS ET AL WINDING MECHANISM ANDSPEED CONTROL THEREFOR ers, Kaff 50a/nerf.

Oct. 9y 1934. R. J, POWERS ET AL 1,976,683

WINDING MECHANISM AND SPEED CONTROL THEREFOR .Filed June 6, 1953 5Sheets-Sheet 3 www Patented Oct. 9, 1934 UNITED STATES PATENT OFFICEWINDING MECHANISM AND SPEED CONTROL THEREFOR Delaware Application Junes, 193s, serial No. 674,496

Claims.

This invention relates to winding machines but primarily has for itsobject to provide-an apparatus which will Wind thread under a uniformtension.

5 Another object of the present invention is to provide a speedcompensation means in direct engagement with the thread takeup means'ffA further object of the present invention is to provide a speedcompensation means in di- 1o rect engagement with the take-up meanswhich does not contact with the yarn body itself.

These and other objects will in part be pointed out and in part becomeobvious from a study of the following specication taken in connectionwith the accompanying drawings, in which:

Figure 1 is a side elevation of one end of a winding machineillustrating the invention applied;

Figure 2 is an end elevation of the parts 2o shown in Figure 1;

Figure 3 isa plan view of the same;

Figure 4 is a detail cross section taken on the line 4 4 of Figure 1showing in dotted lines how the spools are swung up olf the driverollers for Honing;

Figure 5 is a detail longitudinal section showing a pair of compensatingdrive cones and the manner of mounting them on the compensating drivingmeans, in dotted lines is indicated the position of the cones at the endofthe Wind;

and

Figure 6 is an enlarged detail section showing resetting means for thescrew shaft after` oneA winding operation has been completed.

In the-winding of threads, it has been found necessary in order toprocure the best yarn bodies, a uniform wind is essential. That is, thewinding tension must be uniform andthe number of traverse winds to thelayer should 4o be the same. However, as the yarn body builds up,thereby increasing in'diameter, the take-up speed becomes greater andmust be compensatedv for. It is therefore necessary to decrease thespeed of the take-up means so that the peripheral speed of the yarn bodywill remain constant.

Heretofore, it has usually beenl the custom in the art to drive the yarnbodies direct, that is the spool lay upon a rotating cylinder and as theyarn body built up it was self-compensating, due toLthe fact that theperiphery of the yarn body acted as the driving means. However, thismethod has resulted in yarn bodies that are Wound too tightly and thethread is easily broken due to the friction of running directly on thedrive means. lThis manner of Winding has also resulted in increasednumber of slubs or knots which are distinctly undesirable.

It is therefore the object of the present invention to overcome theaforementioned dimculties by driving the spools alone and not conrtacting with the yarn at all. In order to insure a more even wind, it isalso the purpose to drive the spools directly by the compensating meansitself as will be brought out in the following description.

In the drawings, in which like numerals of reference indicate likeparts, 1 indicates the end frame of a winding machine and 2 indicatesthe longitudinal angle irons of the frame. The

' traverse thread guide rods 3 carrying the thread 7@ guides 4reciprocate in bearing brackets 5 set on the angle irons 2. They operatein the usual manner, operating means not being illustrated.

The take-up spools 6 are slipped over spool holders 7 having rubberinserts 8 in order not 7g to damage the spools and also to frictionallyhold the spools 6. The spool holders '1 are rotatably mounted on shafts'9 secured on a pivoted arm 10. The arms -10 are pivoted on brackets 11secured to the frame of the machine. 90

The arms 10 have projections 12 which prevent the arms 10 lpivoting toofar when the arm 10 is raised in dofling the spool 6 as shown in dottedlines in Figure 4.

The spools 6 rest on the conical rollers 13 g5 and 14 and are driventhereby. It can be readily seen that by separating the driving rollers13 and 14 the speed of the spools will be decreased due to thedecreasing periphery of the rollers 13 and 14.

The driving shafts consist of tubular outer shafts 15 and inner shafts16 slidable within the tubes 15. The rollers. 13 are pin connected at 17to the tube 15 and the rollers 14 have a sliding nt on the tube 15, butare pin connected at 18 to the inner shaft 16. The pins 18 extendthrough slots 19 in the tubular shaft 15 for the purpose of allowinglateral movement betweenthe tubular shaft 15 and inner shaft 16. It istherefore readily perceived that the shaft 15 and 100 the roller 13 areintegral and that the shaft 16 and roller 14 are integral and that theywill rotate together but have a slidable relation one with the other.

The tubular shafts 15 and the inner shafts 105 16 are rotated throughthe medium of a sprocket 20 which is so mounted as at 50 in any suitablemanner so as to allow the shaft 15 to be slidable and yet be rotatedthereby. A chain 21 goes over the sprocket 20 and around lanother-gears, 53-54, move in and out with the tubular shafts 15.

The main drive shaft 23 has mounted on one end a bevel gear 24 whichmeshes with and drives a bevel gear 25 on across shaft 26. The,

shaft 26is mounted in a bearing bracket 27 and carries a worm 28 'whichdrives a worm gear 29 on an intermediate shaft 30. The shaft 30 hassecured thereupon a pinion 31 which meshes with a gear 32 to drive .thescrew shaft The screw shaft 33 is divided by right hand threads 34 atone end and left hand threads 35 at the other end for the purpose ofseparating two forked members 36-37 upon rotation of the screw shaft33.v

'I'he forked members 36-37 have threaded bores 38-39 which are mountedon the threads 34-35 of the screw shaft.

The forked member 36 has at the upper end of each arm a fork 40 havingpins 42 which extend into the groove 42 of a bearing collar 43 mountedon the end of the tubular shaft 15 which construction will allow-theshaft' 15 `to rotate unimpeded but at the same time the forked member 36may move the tubular shaft 15 laterally.

The forked member 37 on the other hand has at the upper end of each arma fork 44 having pins 45 which extend into the groove 46 of a bearingcollar 47 mounted on the end of the inner shaft 16 which will allow theshaft 16 to rotate but at the same time the forked member 3'7v may movethe shaft 16 laterally in the opposite direction to the tubular shaft15.

In order to reset the compensating rollers 13 and 14 at the end of theWind the screw shaft 33 is squared on the end as shown at 48 of thedrawings, and by turning the shaft in the opposite direction, the forkedmembers 36-3'7 will be returned to th'e original position illustrated inFigure 1 of the drawings thereby sliding the shafts 15 and 16 laterallyand the rollers 13 and 14 on the shafts 15 and 16 respectively towardone another. The gear wheel 32 is loosely mounted on the screw shaft 33but has a driving connection through the ratchet teeth 49 which areintegrally attached to the shaft 33 and a pawl 51 mounted on the gear32.

It will thus be seen that by merely releasing the pawl 51 the shaft 33may be reversed and bring back the forked members 36-37 to theiroriginal position at the beginning of the wind.

In operation the parts are in the position illustrated in the drawings.That is the spools 6 are resting on the large end of the conicalcompensating drive rollers 13 and 14. The main .drive shaft 23 isrotating the tubular shaft 15 and its inner shaft 16 through the chaindrive 20, 21

and 22. The spools 6 are thereby rotated and collect the threads from asupply spool 52 shown in dotted lines in Figure 2. The yarn being laidon the spool traversely by the thread guides 4 on the traverselyreciprocating thread guide rod 3.

As the yarn body builds up the screw shaft 33 is being slowly operatedby the reduction gearing 24, 25, 28, 29, 31 and 32. Due to the opposedthreads 34-35, the forked members 36-'37 are driven apart carry thetubular shaft 15 and the rollers 13 in the left hand direction and theinner shaft 16 and rollers 14 in the opposite ldirection, therebydecreasing the spool speed uniformly and keeping constant the peripheralspeed of the increasing yan1v body.

From the foregoing description, taken in connection with theaccompanying drawings, it is thought the complete construction,operation and advantages of the invention will be clear to those skilledin the art to which it relates.

What We claim is: l 1. A take-up mechanism for winding threads onspools, comprising, a take-up means provided with thread receivingmeans, and reciprocating thread guide-for placing the thread on saidthread' receivingnneans, means for rotating the said take-up meansincluding oppositely positioned cones in. driving contact with saidtake-up means, and means for progressively moving the said conesinopposite directions, one with the other.

2. A take-up mechanism for Winding threads on spools, comprising, apivotally mounted rotatable ,take-up means provided' with threadreceiving mea-ns and reciprocating thread guide for placing the threadon said thread receiving means, means for rotating the said take-upmeans including oppositely positioned cones in driving contact with saidtake-up means, and

means for progressively moving the said cones in l opposite directions,one with the other.

3. A vtake-up mechanism' for winding threads` on spoo 1s,'comprising, apivotally mounted rotatable take-up means provided with thread receivingmeans and reciprocating thread guide for placing the thread on saidthread receiving means, means for rotating the said vtake-up means,including oppositely positioned cones in driving contact with saidtake-up means, a tubular shaft, an inner shaft slidable Within saidytubular shaft, one of said cones attached to said tubular shaft, theother of said cones slidable on said tubular shaft but attached to saidinner shaft, and means for progressively moving the said tubular shaftand said inner shaft in opposite directions one with the other,

4. A take-up mechanism for winding threads on spools, comprising, apivotally mounted rotatable take-up means provided with thread receivingmeans and reciprocating thread guide for placing the thread on saidthread receiving means, means for rotating the said take-up meansincluding oppositely positioned cones in driving contact with saidtake-up means, a tubular shaft, an inner shaft slidable'within saidtubular shaft, one of said cones attached to said vtubular shaft, theother of said cones slidable on said tubular shaft but attached to saidinner shaft,` and means for progressively moving the said tubular shaftand said inner shaft in opposite directions one with the other, saidlastmentioned means comprising an oppositely threaded screw means andmeans for operating said threaded screw means.

5. A take-up mechanism for` winding threads on spools, comprising, apivotally mounted takeup means provided withl thread receiting means,and reciprocating thread guide for placing the thread on said receivingm`eans, means for rotating the said take-up means including oppositelypositioned cones in driving contact with said take-up means, a tubularshaft, an inner shaft slidable within said tubular shaft, one of saidcones attached to said tubular shaft, the other of said cones slidableon said tubular shaft but attached to said inner shaft, and means forprogressively moving the said tubular shaft and said inner shaft inopposite directions one with the other, said last mentioned meanscomprising forked members contacting with said tubular shaft, the otherof said members contacting with said inner shaft, said forked membersmounted on anoppositely threaded screw means, and means for operatingsaid threaded screw means.

6. A driving mechanism for a take-up means upon whcih thread is to bewound, comprising means for maintaining the peripheral speed of a threadbody constant, as the thickness of the thread body increases includingoppositely positioned cones in driving contact with said take-up means,and means for progressively moving the said cones in opposite directionsone with the other.

7. A driving mechanism for a take-up means upon which thread is to bewound, comprising means for maintaining the peripheral speed of a threadbody constant, as the thickness of the thread body increases includingoppositely positioned cones inv driving contact with said takeup means,and means for progressively moving the said cones in opposite directionsone with the other, including a tubular shaft, an inner shaft slidableWithin said tubular shaft, one of said cones attached to said tubularshaft, the other of said cones slidable on said tubular shaft, butattached to said inner shaft, and means for progressively moving thesaid tubular shaft and said inner shaft in opposite directions one withthe other.

8. A driving mechanism for a take-up means upon which thread is to bewound, comprising means for maintaining the peripheral speed of a threadbody constant, as the thickness of the thread bow increases includingoppositely positioned cones in driving contact with said takeup means,and means for progressively moving the said cones in opposite directionsone with the other, including a tubular shaft, an inner shaft slidablewithin said tubular shaft, oner of said cones attached to said tubularshaft, the other of said cones slidable on said tubular shaft, butattached to said inner shaft, and means for progressively moving thesaid tubular shaft and said inner shaft in opposite directions one withthe other, said last mentioned means comprising an oppositely threadedscrew means, and means for operating said threaded screw means.

9. A driving mechanism for a take-up means4 upon which thread is to bewound, comprising means for maintaining the peripheral speed of a threadbody constant, as the thickness of the thread body increases includingoppositely positioned cones in driving contact with said takeup means,and means for progressively moving the said cones in opposite directionsone with the other, including a tubular shaft, an inner shaft slidablewithin said tubular shaft, one of said cones attached to said tubularshaft, the other of said cones slidable on said tubular shaft, butattached to said inner shaft, and means for progressively moving thesaid tubular shaft and said inner shaft in opposite directions one withthe other, said last mentioned means comprising forked memberscontacting with said tubular shaft, the other of said members contactingwith said inner shaft, said forked members mounted on an oppositelythreaded screw means, and means for operating said threaded screw means.x

10. A take-up mechanism for winding threads on spools, comprising, atake-up means, provided with thread receiving means, and reciprocatingthread guide for placing the thread on said thread receiving means,means for rotating the said take-up means including oppositelypositioned cones lin driving contact with said take-up means, and meansfor varying the distance between said cones.

RICHARD J. POWERS. KARL BAUMERT.

